diff --git a/tailbone/views/exports.py b/tailbone/views/exports.py
index af1ab20e..5f583013 100644
--- a/tailbone/views/exports.py
+++ b/tailbone/views/exports.py
@@ -99,6 +99,7 @@ class ExportMasterView(MasterView):
 
         # created
         f.set_readonly('created')
+        f.set_type('created', 'datetime')
 
         # created_by
         f.set_readonly('created_by')